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OpenStudy (anonymous):
Solve the equation by factoring. 4a^2 - 16a = -15
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OpenStudy (anonymous):
i dont know sorry :(
OpenStudy (anonymous):
thats fine
OpenStudy (anonymous):
ok whats next
OpenStudy (perl):
\[4a^2-16a =-15 \\ 4a^2-16a + 15 = 0 \\ 4a^2-6a - 10a + 15 = 0 \\ 2a(2a - 3) -5(2a - 3)=0 \\ (2a-5)(2a-3)=0\]
OpenStudy (anonymous):
what next
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OpenStudy (perl):
now you can use zero product property, set the factors equal to zero and solve
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